package com.system.service.sysuser.impl;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.common.core.constants.HttpConstants;
import com.common.core.domain.LoginUser;
import com.common.core.domain.R;
import com.common.core.domain.vo.LoginUserVO;
import com.common.core.enums.ResultCode;
import com.common.core.enums.UserIdentity;
import com.common.security.exception.ServiceException;
import com.common.security.service.TokenService;
import com.system.domain.sysuser.SysUser;
import com.system.domain.sysuser.dto.SysUserSaveDTO;
import com.system.mapper.sysuser.SysUserMapper;
import com.system.service.sysuser.ISysUserService;
import com.system.utils.BCryptUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
@RefreshScope
public class SysUserServiceImpl implements ISysUserService {

    @Autowired
    private SysUserMapper sysUserMapper;

    @Autowired
    private TokenService tokenService;

    @Value("${jwt.secret}")
    private String secret;

    @Override
    public R<String> login(String userAccount, String password) {

       LambdaQueryWrapper<SysUser> queryWrapper= new LambdaQueryWrapper<>();

       // select password from tb_sys_user where user_account = #{userAccount}
        //通过账号去数据库查询对应的信息
       SysUser sysUser = sysUserMapper.selectOne(
               queryWrapper
                       .select(SysUser::getUserId,SysUser::getPassword,SysUser::getNickName)
                       .eq(SysUser::getUserAccount,userAccount));
        R loginResult =new R();
        if (sysUser==null){
//            loginResult.setCode(ResultCode.FAILED_USER_NOT_EXISTS.getCode());
//            loginResult.setMsg(ResultCode.FAILED_USER_NOT_EXISTS.getMsg());
//            return loginResult;
            return R.fail(ResultCode.FAILED_USER_NOT_EXISTS);
        }
        if (BCryptUtils.matchesPassword(password,sysUser.getPassword())) {
//            loginResult.setCode(ResultCode.SUCCESS.getCode());
//            loginResult.setMsg(ResultCode.SUCCESS.getMsg());
//            return loginResult;

            return R.ok(tokenService.createToken(sysUser.getUserId(),secret,
                    UserIdentity.ADMIN.getValue(),sysUser.getNickName(),null));
        }

//        loginResult.setCode(ResultCode.FAILED_LOGIN.getCode());
//        loginResult.setMsg(ResultCode.FAILED_LOGIN.getMsg());
//        return loginResult;
        return R.fail(ResultCode.FAILED_LOGIN);
    }

    @Override
    public boolean logout(String token) {
        // 如果前端设置了令牌前缀，则裁剪掉前缀
        if (StrUtil.isNotEmpty(token) &&
                token.startsWith(HttpConstants.PREFIX)) {
            token = token.replaceFirst(HttpConstants.PREFIX, StrUtil.EMPTY);
        }
      return tokenService.deleteLoginUser(token, secret);

    }

    @Override
    public R<LoginUserVO> info(String token) {
        // 如果前端设置了令牌前缀，则裁剪掉前缀
        if (StrUtil.isNotEmpty(token) &&
                token.startsWith(HttpConstants.PREFIX)) {
            token = token.replaceFirst(HttpConstants.PREFIX, StrUtil.EMPTY);
        }
        LoginUser loginUser = tokenService.getLoginUser(token, secret);
        if (loginUser==null){
            return R.fail();
        }
        LoginUserVO loginUserVO =new LoginUserVO();
        loginUserVO.setNickName(loginUser.getNickName());
        return R.ok(loginUserVO);
    }

    @Override
    public int add(SysUserSaveDTO sysUserSaveDTO) {
        //将dto转为实体
        List<SysUser> sysUserList = sysUserMapper.selectList(new LambdaQueryWrapper<SysUser>()
                .eq(SysUser::getUserAccount, sysUserSaveDTO.getUserAccount()));
        if (CollectionUtil.isNotEmpty(sysUserList)){

            //自定义异常 公共的异常
            throw new ServiceException(ResultCode.AILED_USER_EXISTS);
        }
        SysUser sysUser=new SysUser();
        sysUser.setUserAccount(sysUserSaveDTO.getUserAccount());
        sysUser.setPassword(BCryptUtils.encryptPassword(sysUserSaveDTO.getPassword()));

        return sysUserMapper.insert(sysUser);
    }





}
